/**
 * Copyright (c) 2000-2012 Liferay, Inc. All rights reserved.
 *
 * This library is free software; you can redistribute it and/or modify it under
 * the terms of the GNU Lesser General Public License as published by the Free
 * Software Foundation; either version 2.1 of the License, or (at your option)
 * any later version.
 *
 * This library is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
 * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
 * details.
 */

package com.swt.mto.thithu.service.persistence;

import com.liferay.portal.NoSuchModelException;
import com.liferay.portal.kernel.bean.BeanReference;
import com.liferay.portal.kernel.cache.CacheRegistryUtil;
import com.liferay.portal.kernel.dao.orm.EntityCacheUtil;
import com.liferay.portal.kernel.dao.orm.FinderCacheUtil;
import com.liferay.portal.kernel.dao.orm.FinderPath;
import com.liferay.portal.kernel.dao.orm.Query;
import com.liferay.portal.kernel.dao.orm.QueryUtil;
import com.liferay.portal.kernel.dao.orm.Session;
import com.liferay.portal.kernel.exception.SystemException;
import com.liferay.portal.kernel.log.Log;
import com.liferay.portal.kernel.log.LogFactoryUtil;
import com.liferay.portal.kernel.util.GetterUtil;
import com.liferay.portal.kernel.util.InstanceFactory;
import com.liferay.portal.kernel.util.OrderByComparator;
import com.liferay.portal.kernel.util.PropsKeys;
import com.liferay.portal.kernel.util.PropsUtil;
import com.liferay.portal.kernel.util.StringBundler;
import com.liferay.portal.kernel.util.StringUtil;
import com.liferay.portal.model.CacheModel;
import com.liferay.portal.model.ModelListener;
import com.liferay.portal.service.persistence.BatchSessionUtil;
import com.liferay.portal.service.persistence.ResourcePersistence;
import com.liferay.portal.service.persistence.UserPersistence;
import com.liferay.portal.service.persistence.impl.BasePersistenceImpl;

import com.swt.mto.thithu.NoSuchQuizException;
import com.swt.mto.thithu.model.Quiz;
import com.swt.mto.thithu.model.impl.QuizImpl;
import com.swt.mto.thithu.model.impl.QuizModelImpl;

import java.io.Serializable;

import java.util.ArrayList;
import java.util.Collections;
import java.util.List;

/**
 * The persistence implementation for the quiz service.
 *
 * <p>
 * Caching information and settings can be found in <code>portal.properties</code>
 * </p>
 *
 * @author tuan.nguyen
 * @see QuizPersistence
 * @see QuizUtil
 * @generated
 */
public class QuizPersistenceImpl extends BasePersistenceImpl<Quiz>
	implements QuizPersistence {
	/*
	 * NOTE FOR DEVELOPERS:
	 *
	 * Never modify or reference this class directly. Always use {@link QuizUtil} to access the quiz persistence. Modify <code>service.xml</code> and rerun ServiceBuilder to regenerate this class.
	 */
	public static final String FINDER_CLASS_NAME_ENTITY = QuizImpl.class.getName();
	public static final String FINDER_CLASS_NAME_LIST_WITH_PAGINATION = FINDER_CLASS_NAME_ENTITY +
		".List1";
	public static final String FINDER_CLASS_NAME_LIST_WITHOUT_PAGINATION = FINDER_CLASS_NAME_ENTITY +
		".List2";
	public static final FinderPath FINDER_PATH_WITH_PAGINATION_FIND_ALL = new FinderPath(QuizModelImpl.ENTITY_CACHE_ENABLED,
			QuizModelImpl.FINDER_CACHE_ENABLED, QuizImpl.class,
			FINDER_CLASS_NAME_LIST_WITH_PAGINATION, "findAll", new String[0]);
	public static final FinderPath FINDER_PATH_WITHOUT_PAGINATION_FIND_ALL = new FinderPath(QuizModelImpl.ENTITY_CACHE_ENABLED,
			QuizModelImpl.FINDER_CACHE_ENABLED, QuizImpl.class,
			FINDER_CLASS_NAME_LIST_WITHOUT_PAGINATION, "findAll", new String[0]);
	public static final FinderPath FINDER_PATH_COUNT_ALL = new FinderPath(QuizModelImpl.ENTITY_CACHE_ENABLED,
			QuizModelImpl.FINDER_CACHE_ENABLED, Long.class,
			FINDER_CLASS_NAME_LIST_WITHOUT_PAGINATION, "countAll", new String[0]);

	/**
	 * Caches the quiz in the entity cache if it is enabled.
	 *
	 * @param quiz the quiz
	 */
	public void cacheResult(Quiz quiz) {
		EntityCacheUtil.putResult(QuizModelImpl.ENTITY_CACHE_ENABLED,
			QuizImpl.class, quiz.getPrimaryKey(), quiz);

		quiz.resetOriginalValues();
	}

	/**
	 * Caches the quizs in the entity cache if it is enabled.
	 *
	 * @param quizs the quizs
	 */
	public void cacheResult(List<Quiz> quizs) {
		for (Quiz quiz : quizs) {
			if (EntityCacheUtil.getResult(QuizModelImpl.ENTITY_CACHE_ENABLED,
						QuizImpl.class, quiz.getPrimaryKey()) == null) {
				cacheResult(quiz);
			}
			else {
				quiz.resetOriginalValues();
			}
		}
	}

	/**
	 * Clears the cache for all quizs.
	 *
	 * <p>
	 * The {@link com.liferay.portal.kernel.dao.orm.EntityCache} and {@link com.liferay.portal.kernel.dao.orm.FinderCache} are both cleared by this method.
	 * </p>
	 */
	@Override
	public void clearCache() {
		if (_HIBERNATE_CACHE_USE_SECOND_LEVEL_CACHE) {
			CacheRegistryUtil.clear(QuizImpl.class.getName());
		}

		EntityCacheUtil.clearCache(QuizImpl.class.getName());

		FinderCacheUtil.clearCache(FINDER_CLASS_NAME_ENTITY);
		FinderCacheUtil.clearCache(FINDER_CLASS_NAME_LIST_WITH_PAGINATION);
		FinderCacheUtil.clearCache(FINDER_CLASS_NAME_LIST_WITHOUT_PAGINATION);
	}

	/**
	 * Clears the cache for the quiz.
	 *
	 * <p>
	 * The {@link com.liferay.portal.kernel.dao.orm.EntityCache} and {@link com.liferay.portal.kernel.dao.orm.FinderCache} are both cleared by this method.
	 * </p>
	 */
	@Override
	public void clearCache(Quiz quiz) {
		EntityCacheUtil.removeResult(QuizModelImpl.ENTITY_CACHE_ENABLED,
			QuizImpl.class, quiz.getPrimaryKey());

		FinderCacheUtil.clearCache(FINDER_CLASS_NAME_LIST_WITH_PAGINATION);
		FinderCacheUtil.clearCache(FINDER_CLASS_NAME_LIST_WITHOUT_PAGINATION);
	}

	@Override
	public void clearCache(List<Quiz> quizs) {
		FinderCacheUtil.clearCache(FINDER_CLASS_NAME_LIST_WITH_PAGINATION);
		FinderCacheUtil.clearCache(FINDER_CLASS_NAME_LIST_WITHOUT_PAGINATION);

		for (Quiz quiz : quizs) {
			EntityCacheUtil.removeResult(QuizModelImpl.ENTITY_CACHE_ENABLED,
				QuizImpl.class, quiz.getPrimaryKey());
		}
	}

	/**
	 * Creates a new quiz with the primary key. Does not add the quiz to the database.
	 *
	 * @param quizId the primary key for the new quiz
	 * @return the new quiz
	 */
	public Quiz create(long quizId) {
		Quiz quiz = new QuizImpl();

		quiz.setNew(true);
		quiz.setPrimaryKey(quizId);

		return quiz;
	}

	/**
	 * Removes the quiz with the primary key from the database. Also notifies the appropriate model listeners.
	 *
	 * @param quizId the primary key of the quiz
	 * @return the quiz that was removed
	 * @throws com.swt.mto.thithu.NoSuchQuizException if a quiz with the primary key could not be found
	 * @throws SystemException if a system exception occurred
	 */
	public Quiz remove(long quizId) throws NoSuchQuizException, SystemException {
		return remove(Long.valueOf(quizId));
	}

	/**
	 * Removes the quiz with the primary key from the database. Also notifies the appropriate model listeners.
	 *
	 * @param primaryKey the primary key of the quiz
	 * @return the quiz that was removed
	 * @throws com.swt.mto.thithu.NoSuchQuizException if a quiz with the primary key could not be found
	 * @throws SystemException if a system exception occurred
	 */
	@Override
	public Quiz remove(Serializable primaryKey)
		throws NoSuchQuizException, SystemException {
		Session session = null;

		try {
			session = openSession();

			Quiz quiz = (Quiz)session.get(QuizImpl.class, primaryKey);

			if (quiz == null) {
				if (_log.isWarnEnabled()) {
					_log.warn(_NO_SUCH_ENTITY_WITH_PRIMARY_KEY + primaryKey);
				}

				throw new NoSuchQuizException(_NO_SUCH_ENTITY_WITH_PRIMARY_KEY +
					primaryKey);
			}

			return remove(quiz);
		}
		catch (NoSuchQuizException nsee) {
			throw nsee;
		}
		catch (Exception e) {
			throw processException(e);
		}
		finally {
			closeSession(session);
		}
	}

	@Override
	protected Quiz removeImpl(Quiz quiz) throws SystemException {
		quiz = toUnwrappedModel(quiz);

		Session session = null;

		try {
			session = openSession();

			BatchSessionUtil.delete(session, quiz);
		}
		catch (Exception e) {
			throw processException(e);
		}
		finally {
			closeSession(session);
		}

		clearCache(quiz);

		return quiz;
	}

	@Override
	public Quiz updateImpl(com.swt.mto.thithu.model.Quiz quiz, boolean merge)
		throws SystemException {
		quiz = toUnwrappedModel(quiz);

		boolean isNew = quiz.isNew();

		Session session = null;

		try {
			session = openSession();

			BatchSessionUtil.update(session, quiz, merge);

			quiz.setNew(false);
		}
		catch (Exception e) {
			throw processException(e);
		}
		finally {
			closeSession(session);
		}

		FinderCacheUtil.clearCache(FINDER_CLASS_NAME_LIST_WITH_PAGINATION);

		if (isNew) {
			FinderCacheUtil.clearCache(FINDER_CLASS_NAME_LIST_WITHOUT_PAGINATION);
		}

		EntityCacheUtil.putResult(QuizModelImpl.ENTITY_CACHE_ENABLED,
			QuizImpl.class, quiz.getPrimaryKey(), quiz);

		return quiz;
	}

	protected Quiz toUnwrappedModel(Quiz quiz) {
		if (quiz instanceof QuizImpl) {
			return quiz;
		}

		QuizImpl quizImpl = new QuizImpl();

		quizImpl.setNew(quiz.isNew());
		quizImpl.setPrimaryKey(quiz.getPrimaryKey());

		quizImpl.setQuizId(quiz.getQuizId());
		quizImpl.setCreateUserId(quiz.getCreateUserId());
		quizImpl.setModifyUserId(quiz.getModifyUserId());
		quizImpl.setQuizCategoryId(quiz.getQuizCategoryId());
		quizImpl.setTitle(quiz.getTitle());
		quizImpl.setDescription(quiz.getDescription());
		quizImpl.setCreateDate(quiz.getCreateDate());
		quizImpl.setModifydate(quiz.getModifydate());
		quizImpl.setTime(quiz.getTime());

		return quizImpl;
	}

	/**
	 * Returns the quiz with the primary key or throws a {@link com.liferay.portal.NoSuchModelException} if it could not be found.
	 *
	 * @param primaryKey the primary key of the quiz
	 * @return the quiz
	 * @throws com.liferay.portal.NoSuchModelException if a quiz with the primary key could not be found
	 * @throws SystemException if a system exception occurred
	 */
	@Override
	public Quiz findByPrimaryKey(Serializable primaryKey)
		throws NoSuchModelException, SystemException {
		return findByPrimaryKey(((Long)primaryKey).longValue());
	}

	/**
	 * Returns the quiz with the primary key or throws a {@link com.swt.mto.thithu.NoSuchQuizException} if it could not be found.
	 *
	 * @param quizId the primary key of the quiz
	 * @return the quiz
	 * @throws com.swt.mto.thithu.NoSuchQuizException if a quiz with the primary key could not be found
	 * @throws SystemException if a system exception occurred
	 */
	public Quiz findByPrimaryKey(long quizId)
		throws NoSuchQuizException, SystemException {
		Quiz quiz = fetchByPrimaryKey(quizId);

		if (quiz == null) {
			if (_log.isWarnEnabled()) {
				_log.warn(_NO_SUCH_ENTITY_WITH_PRIMARY_KEY + quizId);
			}

			throw new NoSuchQuizException(_NO_SUCH_ENTITY_WITH_PRIMARY_KEY +
				quizId);
		}

		return quiz;
	}

	/**
	 * Returns the quiz with the primary key or returns <code>null</code> if it could not be found.
	 *
	 * @param primaryKey the primary key of the quiz
	 * @return the quiz, or <code>null</code> if a quiz with the primary key could not be found
	 * @throws SystemException if a system exception occurred
	 */
	@Override
	public Quiz fetchByPrimaryKey(Serializable primaryKey)
		throws SystemException {
		return fetchByPrimaryKey(((Long)primaryKey).longValue());
	}

	/**
	 * Returns the quiz with the primary key or returns <code>null</code> if it could not be found.
	 *
	 * @param quizId the primary key of the quiz
	 * @return the quiz, or <code>null</code> if a quiz with the primary key could not be found
	 * @throws SystemException if a system exception occurred
	 */
	public Quiz fetchByPrimaryKey(long quizId) throws SystemException {
		Quiz quiz = (Quiz)EntityCacheUtil.getResult(QuizModelImpl.ENTITY_CACHE_ENABLED,
				QuizImpl.class, quizId);

		if (quiz == _nullQuiz) {
			return null;
		}

		if (quiz == null) {
			Session session = null;

			boolean hasException = false;

			try {
				session = openSession();

				quiz = (Quiz)session.get(QuizImpl.class, Long.valueOf(quizId));
			}
			catch (Exception e) {
				hasException = true;

				throw processException(e);
			}
			finally {
				if (quiz != null) {
					cacheResult(quiz);
				}
				else if (!hasException) {
					EntityCacheUtil.putResult(QuizModelImpl.ENTITY_CACHE_ENABLED,
						QuizImpl.class, quizId, _nullQuiz);
				}

				closeSession(session);
			}
		}

		return quiz;
	}

	/**
	 * Returns all the quizs.
	 *
	 * @return the quizs
	 * @throws SystemException if a system exception occurred
	 */
	public List<Quiz> findAll() throws SystemException {
		return findAll(QueryUtil.ALL_POS, QueryUtil.ALL_POS, null);
	}

	/**
	 * Returns a range of all the quizs.
	 *
	 * <p>
	 * Useful when paginating results. Returns a maximum of <code>end - start</code> instances. <code>start</code> and <code>end</code> are not primary keys, they are indexes in the result set. Thus, <code>0</code> refers to the first result in the set. Setting both <code>start</code> and <code>end</code> to {@link com.liferay.portal.kernel.dao.orm.QueryUtil#ALL_POS} will return the full result set.
	 * </p>
	 *
	 * @param start the lower bound of the range of quizs
	 * @param end the upper bound of the range of quizs (not inclusive)
	 * @return the range of quizs
	 * @throws SystemException if a system exception occurred
	 */
	public List<Quiz> findAll(int start, int end) throws SystemException {
		return findAll(start, end, null);
	}

	/**
	 * Returns an ordered range of all the quizs.
	 *
	 * <p>
	 * Useful when paginating results. Returns a maximum of <code>end - start</code> instances. <code>start</code> and <code>end</code> are not primary keys, they are indexes in the result set. Thus, <code>0</code> refers to the first result in the set. Setting both <code>start</code> and <code>end</code> to {@link com.liferay.portal.kernel.dao.orm.QueryUtil#ALL_POS} will return the full result set.
	 * </p>
	 *
	 * @param start the lower bound of the range of quizs
	 * @param end the upper bound of the range of quizs (not inclusive)
	 * @param orderByComparator the comparator to order the results by (optionally <code>null</code>)
	 * @return the ordered range of quizs
	 * @throws SystemException if a system exception occurred
	 */
	public List<Quiz> findAll(int start, int end,
		OrderByComparator orderByComparator) throws SystemException {
		FinderPath finderPath = null;
		Object[] finderArgs = new Object[] { start, end, orderByComparator };

		if ((start == QueryUtil.ALL_POS) && (end == QueryUtil.ALL_POS) &&
				(orderByComparator == null)) {
			finderPath = FINDER_PATH_WITHOUT_PAGINATION_FIND_ALL;
			finderArgs = FINDER_ARGS_EMPTY;
		}
		else {
			finderPath = FINDER_PATH_WITH_PAGINATION_FIND_ALL;
			finderArgs = new Object[] { start, end, orderByComparator };
		}

		List<Quiz> list = (List<Quiz>)FinderCacheUtil.getResult(finderPath,
				finderArgs, this);

		if (list == null) {
			StringBundler query = null;
			String sql = null;

			if (orderByComparator != null) {
				query = new StringBundler(2 +
						(orderByComparator.getOrderByFields().length * 3));

				query.append(_SQL_SELECT_QUIZ);

				appendOrderByComparator(query, _ORDER_BY_ENTITY_ALIAS,
					orderByComparator);

				sql = query.toString();
			}
			else {
				sql = _SQL_SELECT_QUIZ;
			}

			Session session = null;

			try {
				session = openSession();

				Query q = session.createQuery(sql);

				if (orderByComparator == null) {
					list = (List<Quiz>)QueryUtil.list(q, getDialect(), start,
							end, false);

					Collections.sort(list);
				}
				else {
					list = (List<Quiz>)QueryUtil.list(q, getDialect(), start,
							end);
				}
			}
			catch (Exception e) {
				throw processException(e);
			}
			finally {
				if (list == null) {
					FinderCacheUtil.removeResult(finderPath, finderArgs);
				}
				else {
					cacheResult(list);

					FinderCacheUtil.putResult(finderPath, finderArgs, list);
				}

				closeSession(session);
			}
		}

		return list;
	}

	/**
	 * Removes all the quizs from the database.
	 *
	 * @throws SystemException if a system exception occurred
	 */
	public void removeAll() throws SystemException {
		for (Quiz quiz : findAll()) {
			remove(quiz);
		}
	}

	/**
	 * Returns the number of quizs.
	 *
	 * @return the number of quizs
	 * @throws SystemException if a system exception occurred
	 */
	public int countAll() throws SystemException {
		Long count = (Long)FinderCacheUtil.getResult(FINDER_PATH_COUNT_ALL,
				FINDER_ARGS_EMPTY, this);

		if (count == null) {
			Session session = null;

			try {
				session = openSession();

				Query q = session.createQuery(_SQL_COUNT_QUIZ);

				count = (Long)q.uniqueResult();
			}
			catch (Exception e) {
				throw processException(e);
			}
			finally {
				if (count == null) {
					count = Long.valueOf(0);
				}

				FinderCacheUtil.putResult(FINDER_PATH_COUNT_ALL,
					FINDER_ARGS_EMPTY, count);

				closeSession(session);
			}
		}

		return count.intValue();
	}

	/**
	 * Initializes the quiz persistence.
	 */
	public void afterPropertiesSet() {
		String[] listenerClassNames = StringUtil.split(GetterUtil.getString(
					com.liferay.util.service.ServiceProps.get(
						"value.object.listener.com.swt.mto.thithu.model.Quiz")));

		if (listenerClassNames.length > 0) {
			try {
				List<ModelListener<Quiz>> listenersList = new ArrayList<ModelListener<Quiz>>();

				for (String listenerClassName : listenerClassNames) {
					listenersList.add((ModelListener<Quiz>)InstanceFactory.newInstance(
							listenerClassName));
				}

				listeners = listenersList.toArray(new ModelListener[listenersList.size()]);
			}
			catch (Exception e) {
				_log.error(e);
			}
		}
	}

	public void destroy() {
		EntityCacheUtil.removeCache(QuizImpl.class.getName());
		FinderCacheUtil.removeCache(FINDER_CLASS_NAME_ENTITY);
		FinderCacheUtil.removeCache(FINDER_CLASS_NAME_LIST_WITHOUT_PAGINATION);
	}

	@BeanReference(type = AnswerPersistence.class)
	protected AnswerPersistence answerPersistence;
	@BeanReference(type = LoadAjaxPersistence.class)
	protected LoadAjaxPersistence loadAjaxPersistence;
	@BeanReference(type = QuestionPersistence.class)
	protected QuestionPersistence questionPersistence;
	@BeanReference(type = QuizPersistence.class)
	protected QuizPersistence quizPersistence;
	@BeanReference(type = QuizCategoryPersistence.class)
	protected QuizCategoryPersistence quizCategoryPersistence;
	@BeanReference(type = ResultPersistence.class)
	protected ResultPersistence resultPersistence;
	@BeanReference(type = ResourcePersistence.class)
	protected ResourcePersistence resourcePersistence;
	@BeanReference(type = UserPersistence.class)
	protected UserPersistence userPersistence;
	private static final String _SQL_SELECT_QUIZ = "SELECT quiz FROM Quiz quiz";
	private static final String _SQL_COUNT_QUIZ = "SELECT COUNT(quiz) FROM Quiz quiz";
	private static final String _ORDER_BY_ENTITY_ALIAS = "quiz.";
	private static final String _NO_SUCH_ENTITY_WITH_PRIMARY_KEY = "No Quiz exists with the primary key ";
	private static final boolean _HIBERNATE_CACHE_USE_SECOND_LEVEL_CACHE = GetterUtil.getBoolean(PropsUtil.get(
				PropsKeys.HIBERNATE_CACHE_USE_SECOND_LEVEL_CACHE));
	private static Log _log = LogFactoryUtil.getLog(QuizPersistenceImpl.class);
	private static Quiz _nullQuiz = new QuizImpl() {
			@Override
			public Object clone() {
				return this;
			}

			@Override
			public CacheModel<Quiz> toCacheModel() {
				return _nullQuizCacheModel;
			}
		};

	private static CacheModel<Quiz> _nullQuizCacheModel = new CacheModel<Quiz>() {
			public Quiz toEntityModel() {
				return _nullQuiz;
			}
		};
}